1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// <poll.h> might need this for sigset_t
#define _XOPEN_SOURCE 600
#include <poll.h>
#include <stdio.h>
#include "termkey.h"
static void
on_key (termkey_t *tk, termkey_key_t *key)
{
char buffer[50];
termkey_strfkey (tk, buffer, sizeof buffer, key, TERMKEY_FORMAT_VIM);
printf ("%s\n", buffer);
}
int
main (int argc, char *argv[])
{
(void) argc;
(void) argv;
TERMKEY_CHECK_VERSION;
termkey_t *tk = termkey_new (0, 0);
if (!tk)
{
fprintf (stderr, "Cannot allocate termkey instance\n");
exit (1);
}
struct pollfd fd;
fd.fd = 0; /* the file descriptor we passed to termkey_new() */
fd.events = POLLIN;
termkey_result_t ret;
termkey_key_t key;
int running = 1;
int nextwait = -1;
while (running)
{
if (poll (&fd, 1, nextwait) == 0)
// Timed out
if (termkey_getkey_force (tk, &key) == TERMKEY_RES_KEY)
on_key (tk, &key);
if (fd.revents & (POLLIN | POLLHUP | POLLERR))
termkey_advisereadable (tk);
while ((ret = termkey_getkey (tk, &key)) == TERMKEY_RES_KEY)
{
on_key (tk, &key);
if (key.type == TERMKEY_TYPE_UNICODE
&& key.modifiers & TERMKEY_KEYMOD_CTRL
&& (key.code.codepoint == 'C' || key.code.codepoint == 'c'))
running = 0;
}
if (ret == TERMKEY_RES_AGAIN)
nextwait = termkey_get_waittime (tk);
else
nextwait = -1;
}
termkey_destroy (tk);
}
|